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Finding the Third Proportional to 39,670,428 and 61,300,922

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Solution

The third proportional to 39,670,428 and 61,300,922 is: 94,725,548.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,670,428 : 61,300,922 = 61,300,922 : x
  2. Step 2: Convert to fraction form
    39,670,428/61,300,922 = 61,300,922/x
  3. Step 3: Cross multiply
    39,670,428x = 61,300,922 × 61,300,922
  4. Step 4: Simplify right side
    39,670,428x = 3,757,803,038,050,084
  5. Step 5: Solve for x
    x = 3,757,803,038,050,084/39,670,428
  6. Step 6: Final answer
    x = 94,725,548.16

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.