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Finding the Third Proportional to 11,818,516 and 25,402,580

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Solution

The third proportional to 11,818,516 and 25,402,580 is: 54,600,008.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818,516 : 25,402,580 = 25,402,580 : x
  2. Step 2: Convert to fraction form
    11,818,516/25,402,580 = 25,402,580/x
  3. Step 3: Cross multiply
    11,818,516x = 25,402,580 × 25,402,580
  4. Step 4: Simplify right side
    11,818,516x = 645,291,070,656,400
  5. Step 5: Solve for x
    x = 645,291,070,656,400/11,818,516
  6. Step 6: Final answer
    x = 54,600,008.21

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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.