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Finding the Third Proportional to 910,610 and 1,336,390

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Solution

The third proportional to 910,610 and 1,336,390 is: 1,961,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,610 : 1,336,390 = 1,336,390 : x
  2. Step 2: Convert to fraction form
    910,610/1,336,390 = 1,336,390/x
  3. Step 3: Cross multiply
    910,610x = 1,336,390 × 1,336,390
  4. Step 4: Simplify right side
    910,610x = 1,785,938,232,100
  5. Step 5: Solve for x
    x = 1,785,938,232,100/910,610
  6. Step 6: Final answer
    x = 1,961,254.80

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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.