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Finding the Third Proportional to 155,063,160 and 243,282,528

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Solution

The third proportional to 155,063,160 and 243,282,528 is: 381,692,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,063,160 : 243,282,528 = 243,282,528 : x
  2. Step 2: Convert to fraction form
    155,063,160/243,282,528 = 243,282,528/x
  3. Step 3: Cross multiply
    155,063,160x = 243,282,528 × 243,282,528
  4. Step 4: Simplify right side
    155,063,160x = 59,186,388,430,070,784
  5. Step 5: Solve for x
    x = 59,186,388,430,070,784/155,063,160
  6. Step 6: Final answer
    x = 381,692,133.90

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.