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Finding the Third Proportional to 72,017,280 and 157,694,562

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Solution

The third proportional to 72,017,280 and 157,694,562 is: 345,300,112.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,017,280 : 157,694,562 = 157,694,562 : x
  2. Step 2: Convert to fraction form
    72,017,280/157,694,562 = 157,694,562/x
  3. Step 3: Cross multiply
    72,017,280x = 157,694,562 × 157,694,562
  4. Step 4: Simplify right side
    72,017,280x = 24,867,574,884,371,844
  5. Step 5: Solve for x
    x = 24,867,574,884,371,844/72,017,280
  6. Step 6: Final answer
    x = 345,300,112.48

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.