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Finding the Third Proportional to 4,207,988 and 9,088,580

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Solution

The third proportional to 4,207,988 and 9,088,580 is: 19,629,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207,988 : 9,088,580 = 9,088,580 : x
  2. Step 2: Convert to fraction form
    4,207,988/9,088,580 = 9,088,580/x
  3. Step 3: Cross multiply
    4,207,988x = 9,088,580 × 9,088,580
  4. Step 4: Simplify right side
    4,207,988x = 82,602,286,416,400
  5. Step 5: Solve for x
    x = 82,602,286,416,400/4,207,988
  6. Step 6: Final answer
    x = 19,629,876.90

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.