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Finding the Third Proportional to 370,457.30 and 558,603.84

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Solution

The third proportional to 370,457.30 and 558,603.84 is: 842,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,457.30 : 558,603.84 = 558,603.84 : x
  2. Step 2: Convert to fraction form
    370,457.30/558,603.84 = 558,603.84/x
  3. Step 3: Cross multiply
    370,457.30x = 558,603.84 × 558,603.84
  4. Step 4: Simplify right side
    370,457.30x = 312,038,254,252.27
  5. Step 5: Solve for x
    x = 312,038,254,252.27/370,457.30
  6. Step 6: Final answer
    x = 842,305.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.