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Finding the Third Proportional to 21,001,536 and 34,293,402

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Solution

The third proportional to 21,001,536 and 34,293,402 is: 55,997,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,001,536 : 34,293,402 = 34,293,402 : x
  2. Step 2: Convert to fraction form
    21,001,536/34,293,402 = 34,293,402/x
  3. Step 3: Cross multiply
    21,001,536x = 34,293,402 × 34,293,402
  4. Step 4: Simplify right side
    21,001,536x = 1,176,037,420,733,604
  5. Step 5: Solve for x
    x = 1,176,037,420,733,604/21,001,536
  6. Step 6: Final answer
    x = 55,997,686.11

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.