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Finding the Third Proportional to 3,316,428 and 5,121,235

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Solution

The third proportional to 3,316,428 and 5,121,235 is: 7,908,221.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316,428 : 5,121,235 = 5,121,235 : x
  2. Step 2: Convert to fraction form
    3,316,428/5,121,235 = 5,121,235/x
  3. Step 3: Cross multiply
    3,316,428x = 5,121,235 × 5,121,235
  4. Step 4: Simplify right side
    3,316,428x = 26,227,047,925,225
  5. Step 5: Solve for x
    x = 26,227,047,925,225/3,316,428
  6. Step 6: Final answer
    x = 7,908,221.71

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.