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Finding the Third Proportional to 7,220,288 and 15,685,492

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Solution

The third proportional to 7,220,288 and 15,685,492 is: 34,075,463.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220,288 : 15,685,492 = 15,685,492 : x
  2. Step 2: Convert to fraction form
    7,220,288/15,685,492 = 15,685,492/x
  3. Step 3: Cross multiply
    7,220,288x = 15,685,492 × 15,685,492
  4. Step 4: Simplify right side
    7,220,288x = 246,034,659,282,064
  5. Step 5: Solve for x
    x = 246,034,659,282,064/7,220,288
  6. Step 6: Final answer
    x = 34,075,463.37

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.