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Finding the Third Proportional to 5,590,216 and 11,912,528

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Solution

The third proportional to 5,590,216 and 11,912,528 is: 25,385,123.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590,216 : 11,912,528 = 11,912,528 : x
  2. Step 2: Convert to fraction form
    5,590,216/11,912,528 = 11,912,528/x
  3. Step 3: Cross multiply
    5,590,216x = 11,912,528 × 11,912,528
  4. Step 4: Simplify right side
    5,590,216x = 141,908,323,350,784
  5. Step 5: Solve for x
    x = 141,908,323,350,784/5,590,216
  6. Step 6: Final answer
    x = 25,385,123.46

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.