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Finding the Third Proportional to 423,879,772.50 and 572,519,125.50

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Solution

The third proportional to 423,879,772.50 and 572,519,125.50 is: 773,280,940.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,879,772.50 : 572,519,125.50 = 572,519,125.50 : x
  2. Step 2: Convert to fraction form
    423,879,772.50/572,519,125.50 = 572,519,125.50/x
  3. Step 3: Cross multiply
    423,879,772.50x = 572,519,125.50 × 572,519,125.50
  4. Step 4: Simplify right side
    423,879,772.50x = 327,778,149,063,284,736
  5. Step 5: Solve for x
    x = 327,778,149,063,284,736/423,879,772.50
  6. Step 6: Final answer
    x = 773,280,940.32

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Why These Related Problems?

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