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Finding the Third Proportional to 1,076,409 and 1,666,706.63

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Solution

The third proportional to 1,076,409 and 1,666,706.63 is: 2,580,720.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,409 : 1,666,706.63 = 1,666,706.63 : x
  2. Step 2: Convert to fraction form
    1,076,409/1,666,706.63 = 1,666,706.63/x
  3. Step 3: Cross multiply
    1,076,409x = 1,666,706.63 × 1,666,706.63
  4. Step 4: Simplify right side
    1,076,409x = 2,777,910,973,818.89
  5. Step 5: Solve for x
    x = 2,777,910,973,818.89/1,076,409
  6. Step 6: Final answer
    x = 2,580,720.69

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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.