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Finding the Third Proportional to 2,212,167,479 and 4,739,870,439

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Solution

The third proportional to 2,212,167,479 and 4,739,870,439 is: 10,155,818,667.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,167,479 : 4,739,870,439 = 4,739,870,439 : x
  2. Step 2: Convert to fraction form
    2,212,167,479/4,739,870,439 = 4,739,870,439/x
  3. Step 3: Cross multiply
    2,212,167,479x = 4,739,870,439 × 4,739,870,439
  4. Step 4: Simplify right side
    2,212,167,479x = 22,466,371,778,506,051,584
  5. Step 5: Solve for x
    x = 22,466,371,778,506,051,584/2,212,167,479
  6. Step 6: Final answer
    x = 10,155,818,667.34

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.