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Finding the Third Proportional to 15,720,860 and 33,966,066

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Solution

The third proportional to 15,720,860 and 33,966,066 is: 73,386,165.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,720,860 : 33,966,066 = 33,966,066 : x
  2. Step 2: Convert to fraction form
    15,720,860/33,966,066 = 33,966,066/x
  3. Step 3: Cross multiply
    15,720,860x = 33,966,066 × 33,966,066
  4. Step 4: Simplify right side
    15,720,860x = 1,153,693,639,516,356
  5. Step 5: Solve for x
    x = 1,153,693,639,516,356/15,720,860
  6. Step 6: Final answer
    x = 73,386,165.87

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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.