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Finding the Third Proportional to 423,879,772 and 572,519,124

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Solution

The third proportional to 423,879,772 and 572,519,124 is: 773,280,937.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,879,772 : 572,519,124 = 572,519,124 : x
  2. Step 2: Convert to fraction form
    423,879,772/572,519,124 = 572,519,124/x
  3. Step 3: Cross multiply
    423,879,772x = 572,519,124 × 572,519,124
  4. Step 4: Simplify right side
    423,879,772x = 327,778,147,345,727,360
  5. Step 5: Solve for x
    x = 327,778,147,345,727,360/423,879,772
  6. Step 6: Final answer
    x = 773,280,937.18

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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.