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Finding the Third Proportional to 38,646,347 and 83,345,689

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Solution

The third proportional to 38,646,347 and 83,345,689 is: 179,745,420.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,646,347 : 83,345,689 = 83,345,689 : x
  2. Step 2: Convert to fraction form
    38,646,347/83,345,689 = 83,345,689/x
  3. Step 3: Cross multiply
    38,646,347x = 83,345,689 × 83,345,689
  4. Step 4: Simplify right side
    38,646,347x = 6,946,503,874,884,721
  5. Step 5: Solve for x
    x = 6,946,503,874,884,721/38,646,347
  6. Step 6: Final answer
    x = 179,745,420.05

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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.