Home / 30,866,712.75-45,140,743.13

Finding the Third Proportional to 30,866,712.75 and 45,140,743.13

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Solution

The third proportional to 30,866,712.75 and 45,140,743.13 is: 66,015,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,866,712.75 : 45,140,743.13 = 45,140,743.13 : x
  2. Step 2: Convert to fraction form
    30,866,712.75/45,140,743.13 = 45,140,743.13/x
  3. Step 3: Cross multiply
    30,866,712.75x = 45,140,743.13 × 45,140,743.13
  4. Step 4: Simplify right side
    30,866,712.75x = 2,037,686,689,877,234.75
  5. Step 5: Solve for x
    x = 2,037,686,689,877,234.75/30,866,712.75
  6. Step 6: Final answer
    x = 66,015,668.93

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.