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Finding the Third Proportional to 72,714,570 and 155,506,835

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Solution

The third proportional to 72,714,570 and 155,506,835 is: 332,565,753.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,714,570 : 155,506,835 = 155,506,835 : x
  2. Step 2: Convert to fraction form
    72,714,570/155,506,835 = 155,506,835/x
  3. Step 3: Cross multiply
    72,714,570x = 155,506,835 × 155,506,835
  4. Step 4: Simplify right side
    72,714,570x = 24,182,375,731,717,224
  5. Step 5: Solve for x
    x = 24,182,375,731,717,224/72,714,570
  6. Step 6: Final answer
    x = 332,565,753.08

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.