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Finding the Third Proportional to 676,588 and 1,455,235.50

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Solution

The third proportional to 676,588 and 1,455,235.50 is: 3,129,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,588 : 1,455,235.50 = 1,455,235.50 : x
  2. Step 2: Convert to fraction form
    676,588/1,455,235.50 = 1,455,235.50/x
  3. Step 3: Cross multiply
    676,588x = 1,455,235.50 × 1,455,235.50
  4. Step 4: Simplify right side
    676,588x = 2,117,710,360,460.25
  5. Step 5: Solve for x
    x = 2,117,710,360,460.25/676,588
  6. Step 6: Final answer
    x = 3,129,985.10

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.