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Finding the Third Proportional to 895,220 and 1,388,211

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Solution

The third proportional to 895,220 and 1,388,211 is: 2,152,688.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,220 : 1,388,211 = 1,388,211 : x
  2. Step 2: Convert to fraction form
    895,220/1,388,211 = 1,388,211/x
  3. Step 3: Cross multiply
    895,220x = 1,388,211 × 1,388,211
  4. Step 4: Simplify right side
    895,220x = 1,927,129,780,521
  5. Step 5: Solve for x
    x = 1,927,129,780,521/895,220
  6. Step 6: Final answer
    x = 2,152,688.48

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.