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Finding the Third Proportional to 342,572,042 and 488,348,889

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Solution

The third proportional to 342,572,042 and 488,348,889 is: 696,159,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,572,042 : 488,348,889 = 488,348,889 : x
  2. Step 2: Convert to fraction form
    342,572,042/488,348,889 = 488,348,889/x
  3. Step 3: Cross multiply
    342,572,042x = 488,348,889 × 488,348,889
  4. Step 4: Simplify right side
    342,572,042x = 238,484,637,387,534,336
  5. Step 5: Solve for x
    x = 238,484,637,387,534,336/342,572,042
  6. Step 6: Final answer
    x = 696,159,079.40

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.