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Finding the Third Proportional to 43,817,210 and 68,115,315

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Solution

The third proportional to 43,817,210 and 68,115,315 is: 105,887,529.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,817,210 : 68,115,315 = 68,115,315 : x
  2. Step 2: Convert to fraction form
    43,817,210/68,115,315 = 68,115,315/x
  3. Step 3: Cross multiply
    43,817,210x = 68,115,315 × 68,115,315
  4. Step 4: Simplify right side
    43,817,210x = 4,639,696,137,549,225
  5. Step 5: Solve for x
    x = 4,639,696,137,549,225/43,817,210
  6. Step 6: Final answer
    x = 105,887,529.98

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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.