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Finding the Third Proportional to 66,801,053 and 103,433,979

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Solution

The third proportional to 66,801,053 and 103,433,979 is: 160,155,978.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,801,053 : 103,433,979 = 103,433,979 : x
  2. Step 2: Convert to fraction form
    66,801,053/103,433,979 = 103,433,979/x
  3. Step 3: Cross multiply
    66,801,053x = 103,433,979 × 103,433,979
  4. Step 4: Simplify right side
    66,801,053x = 10,698,588,011,772,440
  5. Step 5: Solve for x
    x = 10,698,588,011,772,440/66,801,053
  6. Step 6: Final answer
    x = 160,155,978.56

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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.