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Finding the Third Proportional to 608,529,404 and 909,211,903

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Solution

The third proportional to 608,529,404 and 909,211,903 is: 1,358,465,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,529,404 : 909,211,903 = 909,211,903 : x
  2. Step 2: Convert to fraction form
    608,529,404/909,211,903 = 909,211,903/x
  3. Step 3: Cross multiply
    608,529,404x = 909,211,903 × 909,211,903
  4. Step 4: Simplify right side
    608,529,404x = 826,666,284,556,881,408
  5. Step 5: Solve for x
    x = 826,666,284,556,881,408/608,529,404
  6. Step 6: Final answer
    x = 1,358,465,637.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.