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Finding the Third Proportional to 9,755,499 and 21,009,359

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Solution

The third proportional to 9,755,499 and 21,009,359 is: 45,245,575.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,755,499 : 21,009,359 = 21,009,359 : x
  2. Step 2: Convert to fraction form
    9,755,499/21,009,359 = 21,009,359/x
  3. Step 3: Cross multiply
    9,755,499x = 21,009,359 × 21,009,359
  4. Step 4: Simplify right side
    9,755,499x = 441,393,165,590,881
  5. Step 5: Solve for x
    x = 441,393,165,590,881/9,755,499
  6. Step 6: Final answer
    x = 45,245,575.40

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.