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Finding the Third Proportional to 74,602,981 and 160,543,374

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Solution

The third proportional to 74,602,981 and 160,543,374 is: 345,484,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,602,981 : 160,543,374 = 160,543,374 : x
  2. Step 2: Convert to fraction form
    74,602,981/160,543,374 = 160,543,374/x
  3. Step 3: Cross multiply
    74,602,981x = 160,543,374 × 160,543,374
  4. Step 4: Simplify right side
    74,602,981x = 25,774,174,935,303,876
  5. Step 5: Solve for x
    x = 25,774,174,935,303,876/74,602,981
  6. Step 6: Final answer
    x = 345,484,518.04

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.