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Finding the Third Proportional to 108,618,972 and 236,366,688

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Solution

The third proportional to 108,618,972 and 236,366,688 is: 514,359,601.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,618,972 : 236,366,688 = 236,366,688 : x
  2. Step 2: Convert to fraction form
    108,618,972/236,366,688 = 236,366,688/x
  3. Step 3: Cross multiply
    108,618,972x = 236,366,688 × 236,366,688
  4. Step 4: Simplify right side
    108,618,972x = 55,869,211,196,089,344
  5. Step 5: Solve for x
    x = 55,869,211,196,089,344/108,618,972
  6. Step 6: Final answer
    x = 514,359,601.89

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.