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Finding the Third Proportional to 917,228.81 and 1,348,867.69

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Solution

The third proportional to 917,228.81 and 1,348,867.69 is: 1,983,631.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,228.81 : 1,348,867.69 = 1,348,867.69 : x
  2. Step 2: Convert to fraction form
    917,228.81/1,348,867.69 = 1,348,867.69/x
  3. Step 3: Cross multiply
    917,228.81x = 1,348,867.69 × 1,348,867.69
  4. Step 4: Simplify right side
    917,228.81x = 1,819,444,038,381.60
  5. Step 5: Solve for x
    x = 1,819,444,038,381.60/917,228.81
  6. Step 6: Final answer
    x = 1,983,631.58

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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.