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Finding the Third Proportional to 845,278 and 1,237,572

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Solution

The third proportional to 845,278 and 1,237,572 is: 1,811,929.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,278 : 1,237,572 = 1,237,572 : x
  2. Step 2: Convert to fraction form
    845,278/1,237,572 = 1,237,572/x
  3. Step 3: Cross multiply
    845,278x = 1,237,572 × 1,237,572
  4. Step 4: Simplify right side
    845,278x = 1,531,584,455,184
  5. Step 5: Solve for x
    x = 1,531,584,455,184/845,278
  6. Step 6: Final answer
    x = 1,811,929.87

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.