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Finding the Third Proportional to 47,326,442 and 72,699,209

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Solution

The third proportional to 47,326,442 and 72,699,209 is: 111,674,885.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,326,442 : 72,699,209 = 72,699,209 : x
  2. Step 2: Convert to fraction form
    47,326,442/72,699,209 = 72,699,209/x
  3. Step 3: Cross multiply
    47,326,442x = 72,699,209 × 72,699,209
  4. Step 4: Simplify right side
    47,326,442x = 5,285,174,989,225,681
  5. Step 5: Solve for x
    x = 5,285,174,989,225,681/47,326,442
  6. Step 6: Final answer
    x = 111,674,885.45

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.