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Finding the Third Proportional to 242,685,405 and 524,156,981

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Solution

The third proportional to 242,685,405 and 524,156,981 is: 1,132,085,140.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,685,405 : 524,156,981 = 524,156,981 : x
  2. Step 2: Convert to fraction form
    242,685,405/524,156,981 = 524,156,981/x
  3. Step 3: Cross multiply
    242,685,405x = 524,156,981 × 524,156,981
  4. Step 4: Simplify right side
    242,685,405x = 274,740,540,731,034,368
  5. Step 5: Solve for x
    x = 274,740,540,731,034,368/242,685,405
  6. Step 6: Final answer
    x = 1,132,085,140.15

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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.