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Finding the Third Proportional to 148,689,490 and 322,086,572

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Solution

The third proportional to 148,689,490 and 322,086,572 is: 697,693,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,689,490 : 322,086,572 = 322,086,572 : x
  2. Step 2: Convert to fraction form
    148,689,490/322,086,572 = 322,086,572/x
  3. Step 3: Cross multiply
    148,689,490x = 322,086,572 × 322,086,572
  4. Step 4: Simplify right side
    148,689,490x = 103,739,759,862,711,184
  5. Step 5: Solve for x
    x = 103,739,759,862,711,184/148,689,490
  6. Step 6: Final answer
    x = 697,693,965.21

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.