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Finding the Third Proportional to 119,835,255 and 258,182,432

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Solution

The third proportional to 119,835,255 and 258,182,432 is: 556,248,394.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,835,255 : 258,182,432 = 258,182,432 : x
  2. Step 2: Convert to fraction form
    119,835,255/258,182,432 = 258,182,432/x
  3. Step 3: Cross multiply
    119,835,255x = 258,182,432 × 258,182,432
  4. Step 4: Simplify right side
    119,835,255x = 66,658,168,193,434,624
  5. Step 5: Solve for x
    x = 66,658,168,193,434,624/119,835,255
  6. Step 6: Final answer
    x = 556,248,394.46

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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.