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Finding the Third Proportional to 575,220 and 902,398.50

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Solution

The third proportional to 575,220 and 902,398.50 is: 1,415,672.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,220 : 902,398.50 = 902,398.50 : x
  2. Step 2: Convert to fraction form
    575,220/902,398.50 = 902,398.50/x
  3. Step 3: Cross multiply
    575,220x = 902,398.50 × 902,398.50
  4. Step 4: Simplify right side
    575,220x = 814,323,052,802.25
  5. Step 5: Solve for x
    x = 814,323,052,802.25/575,220
  6. Step 6: Final answer
    x = 1,415,672.36

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.