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Finding the Third Proportional to 121,817,499 and 263,050,596

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Solution

The third proportional to 121,817,499 and 263,050,596 is: 568,026,897.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,817,499 : 263,050,596 = 263,050,596 : x
  2. Step 2: Convert to fraction form
    121,817,499/263,050,596 = 263,050,596/x
  3. Step 3: Cross multiply
    121,817,499x = 263,050,596 × 263,050,596
  4. Step 4: Simplify right side
    121,817,499x = 69,195,616,055,955,216
  5. Step 5: Solve for x
    x = 69,195,616,055,955,216/121,817,499
  6. Step 6: Final answer
    x = 568,026,897.81

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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.