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Finding the Third Proportional to 222,242,393 and 478,619,428

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Solution

The third proportional to 222,242,393 and 478,619,428 is: 1,030,750,946.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,242,393 : 478,619,428 = 478,619,428 : x
  2. Step 2: Convert to fraction form
    222,242,393/478,619,428 = 478,619,428/x
  3. Step 3: Cross multiply
    222,242,393x = 478,619,428 × 478,619,428
  4. Step 4: Simplify right side
    222,242,393x = 229,076,556,859,047,168
  5. Step 5: Solve for x
    x = 229,076,556,859,047,168/222,242,393
  6. Step 6: Final answer
    x = 1,030,750,946.15

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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.