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Finding the Third Proportional to 7,365,536,140 and 15,781,672,084

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Solution

The third proportional to 7,365,536,140 and 15,781,672,084 is: 33,814,398,440.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365,536,140 : 15,781,672,084 = 15,781,672,084 : x
  2. Step 2: Convert to fraction form
    7,365,536,140/15,781,672,084 = 15,781,672,084/x
  3. Step 3: Cross multiply
    7,365,536,140x = 15,781,672,084 × 15,781,672,084
  4. Step 4: Simplify right side
    7,365,536,140x = 249,061,173,766,904,905,728
  5. Step 5: Solve for x
    x = 249,061,173,766,904,905,728/7,365,536,140
  6. Step 6: Final answer
    x = 33,814,398,440.64

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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.