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Finding the Third Proportional to 12,156,630 and 19,249,713

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Solution

The third proportional to 12,156,630 and 19,249,713 is: 30,481,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156,630 : 19,249,713 = 19,249,713 : x
  2. Step 2: Convert to fraction form
    12,156,630/19,249,713 = 19,249,713/x
  3. Step 3: Cross multiply
    12,156,630x = 19,249,713 × 19,249,713
  4. Step 4: Simplify right side
    12,156,630x = 370,551,450,582,369
  5. Step 5: Solve for x
    x = 370,551,450,582,369/12,156,630
  6. Step 6: Final answer
    x = 30,481,428.70

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.