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Finding the Third Proportional to 528,340 and 1,030,220

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Solution

The third proportional to 528,340 and 1,030,220 is: 2,008,845.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,340 : 1,030,220 = 1,030,220 : x
  2. Step 2: Convert to fraction form
    528,340/1,030,220 = 1,030,220/x
  3. Step 3: Cross multiply
    528,340x = 1,030,220 × 1,030,220
  4. Step 4: Simplify right side
    528,340x = 1,061,353,248,400
  5. Step 5: Solve for x
    x = 1,061,353,248,400/528,340
  6. Step 6: Final answer
    x = 2,008,845.15

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.