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Finding the Third Proportional to 101,354,347 and 221,286,985

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Solution

The third proportional to 101,354,347 and 221,286,985 is: 483,135,959.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,354,347 : 221,286,985 = 221,286,985 : x
  2. Step 2: Convert to fraction form
    101,354,347/221,286,985 = 221,286,985/x
  3. Step 3: Cross multiply
    101,354,347x = 221,286,985 × 221,286,985
  4. Step 4: Simplify right side
    101,354,347x = 48,967,929,730,390,224
  5. Step 5: Solve for x
    x = 48,967,929,730,390,224/101,354,347
  6. Step 6: Final answer
    x = 483,135,959.92

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.