Home / 277,654,849,430.62-390,999,211,927.88

Finding the Third Proportional to 277,654,849,430.62 and 390,999,211,927.88

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Solution

The third proportional to 277,654,849,430.62 and 390,999,211,927.88 is: 550,613,050,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,654,849,430.62 : 390,999,211,927.88 = 390,999,211,927.88 : x
  2. Step 2: Convert to fraction form
    277,654,849,430.62/390,999,211,927.88 = 390,999,211,927.88/x
  3. Step 3: Cross multiply
    277,654,849,430.62x = 390,999,211,927.88 × 390,999,211,927.88
  4. Step 4: Simplify right side
    277,654,849,430.62x = 152,880,383,728,223,218,827,264
  5. Step 5: Solve for x
    x = 152,880,383,728,223,218,827,264/277,654,849,430.62
  6. Step 6: Final answer
    x = 550,613,050,849.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.