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Finding the Third Proportional to 88,432,380 and 190,301,688

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Solution

The third proportional to 88,432,380 and 190,301,688 is: 409,518,916.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,432,380 : 190,301,688 = 190,301,688 : x
  2. Step 2: Convert to fraction form
    88,432,380/190,301,688 = 190,301,688/x
  3. Step 3: Cross multiply
    88,432,380x = 190,301,688 × 190,301,688
  4. Step 4: Simplify right side
    88,432,380x = 36,214,732,455,649,344
  5. Step 5: Solve for x
    x = 36,214,732,455,649,344/88,432,380
  6. Step 6: Final answer
    x = 409,518,916.66

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.