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Finding the Third Proportional to 670,129 and 1,445,226

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Solution

The third proportional to 670,129 and 1,445,226 is: 3,116,830.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,129 : 1,445,226 = 1,445,226 : x
  2. Step 2: Convert to fraction form
    670,129/1,445,226 = 1,445,226/x
  3. Step 3: Cross multiply
    670,129x = 1,445,226 × 1,445,226
  4. Step 4: Simplify right side
    670,129x = 2,088,678,191,076
  5. Step 5: Solve for x
    x = 2,088,678,191,076/670,129
  6. Step 6: Final answer
    x = 3,116,830.03

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.