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Finding the Third Proportional to 119,735,182 and 258,630,428

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Solution

The third proportional to 119,735,182 and 258,630,428 is: 558,646,983.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,735,182 : 258,630,428 = 258,630,428 : x
  2. Step 2: Convert to fraction form
    119,735,182/258,630,428 = 258,630,428/x
  3. Step 3: Cross multiply
    119,735,182x = 258,630,428 × 258,630,428
  4. Step 4: Simplify right side
    119,735,182x = 66,889,698,287,463,184
  5. Step 5: Solve for x
    x = 66,889,698,287,463,184/119,735,182
  6. Step 6: Final answer
    x = 558,646,983.87

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.