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Finding the Third Proportional to 155,306,264 and 247,242,184

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Solution

The third proportional to 155,306,264 and 247,242,184 is: 393,600,978.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,306,264 : 247,242,184 = 247,242,184 : x
  2. Step 2: Convert to fraction form
    155,306,264/247,242,184 = 247,242,184/x
  3. Step 3: Cross multiply
    155,306,264x = 247,242,184 × 247,242,184
  4. Step 4: Simplify right side
    155,306,264x = 61,128,697,549,089,856
  5. Step 5: Solve for x
    x = 61,128,697,549,089,856/155,306,264
  6. Step 6: Final answer
    x = 393,600,978.96

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.