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Finding the Third Proportional to 1,972,599 and 4,249,921

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Solution

The third proportional to 1,972,599 and 4,249,921 is: 9,156,360.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,599 : 4,249,921 = 4,249,921 : x
  2. Step 2: Convert to fraction form
    1,972,599/4,249,921 = 4,249,921/x
  3. Step 3: Cross multiply
    1,972,599x = 4,249,921 × 4,249,921
  4. Step 4: Simplify right side
    1,972,599x = 18,061,828,506,241
  5. Step 5: Solve for x
    x = 18,061,828,506,241/1,972,599
  6. Step 6: Final answer
    x = 9,156,360.98

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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.