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Finding the Third Proportional to 407,040.19 and 598,357.13

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Solution

The third proportional to 407,040.19 and 598,357.13 is: 879,596.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,040.19 : 598,357.13 = 598,357.13 : x
  2. Step 2: Convert to fraction form
    407,040.19/598,357.13 = 598,357.13/x
  3. Step 3: Cross multiply
    407,040.19x = 598,357.13 × 598,357.13
  4. Step 4: Simplify right side
    407,040.19x = 358,031,249,038.27
  5. Step 5: Solve for x
    x = 358,031,249,038.27/407,040.19
  6. Step 6: Final answer
    x = 879,596.81

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.