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Finding the Third Proportional to 222,242,397 and 478,619,319

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Solution

The third proportional to 222,242,397 and 478,619,319 is: 1,030,750,458.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,242,397 : 478,619,319 = 478,619,319 : x
  2. Step 2: Convert to fraction form
    222,242,397/478,619,319 = 478,619,319/x
  3. Step 3: Cross multiply
    222,242,397x = 478,619,319 × 478,619,319
  4. Step 4: Simplify right side
    222,242,397x = 229,076,452,520,023,776
  5. Step 5: Solve for x
    x = 229,076,452,520,023,776/222,242,397
  6. Step 6: Final answer
    x = 1,030,750,458.11

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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.