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Finding the Third Proportional to 908,739 and 1,411,051.50

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Solution

The third proportional to 908,739 and 1,411,051.50 is: 2,191,021.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,739 : 1,411,051.50 = 1,411,051.50 : x
  2. Step 2: Convert to fraction form
    908,739/1,411,051.50 = 1,411,051.50/x
  3. Step 3: Cross multiply
    908,739x = 1,411,051.50 × 1,411,051.50
  4. Step 4: Simplify right side
    908,739x = 1,991,066,335,652.25
  5. Step 5: Solve for x
    x = 1,991,066,335,652.25/908,739
  6. Step 6: Final answer
    x = 2,191,021.11

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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.