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Finding the Third Proportional to 39,820,384 and 63,316,896

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Solution

The third proportional to 39,820,384 and 63,316,896 is: 100,677,816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,820,384 : 63,316,896 = 63,316,896 : x
  2. Step 2: Convert to fraction form
    39,820,384/63,316,896 = 63,316,896/x
  3. Step 3: Cross multiply
    39,820,384x = 63,316,896 × 63,316,896
  4. Step 4: Simplify right side
    39,820,384x = 4,009,029,319,074,816
  5. Step 5: Solve for x
    x = 4,009,029,319,074,816/39,820,384
  6. Step 6: Final answer
    x = 100,677,816.64

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.