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Finding the Third Proportional to 86,803,154 and 134,286,331

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Solution

The third proportional to 86,803,154 and 134,286,331 is: 207,743,818.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,803,154 : 134,286,331 = 134,286,331 : x
  2. Step 2: Convert to fraction form
    86,803,154/134,286,331 = 134,286,331/x
  3. Step 3: Cross multiply
    86,803,154x = 134,286,331 × 134,286,331
  4. Step 4: Simplify right side
    86,803,154x = 18,032,818,693,441,560
  5. Step 5: Solve for x
    x = 18,032,818,693,441,560/86,803,154
  6. Step 6: Final answer
    x = 207,743,818.77

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.