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Finding the Third Proportional to 67,470,730 and 103,661,318

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Solution

The third proportional to 67,470,730 and 103,661,318 is: 159,264,155.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,470,730 : 103,661,318 = 103,661,318 : x
  2. Step 2: Convert to fraction form
    67,470,730/103,661,318 = 103,661,318/x
  3. Step 3: Cross multiply
    67,470,730x = 103,661,318 × 103,661,318
  4. Step 4: Simplify right side
    67,470,730x = 10,745,668,849,497,124
  5. Step 5: Solve for x
    x = 10,745,668,849,497,124/67,470,730
  6. Step 6: Final answer
    x = 159,264,155.72

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.