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Finding the Third Proportional to 115,000,770 and 249,405,087

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Solution

The third proportional to 115,000,770 and 249,405,087 is: 540,891,138.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,000,770 : 249,405,087 = 249,405,087 : x
  2. Step 2: Convert to fraction form
    115,000,770/249,405,087 = 249,405,087/x
  3. Step 3: Cross multiply
    115,000,770x = 249,405,087 × 249,405,087
  4. Step 4: Simplify right side
    115,000,770x = 62,202,897,421,477,568
  5. Step 5: Solve for x
    x = 62,202,897,421,477,568/115,000,770
  6. Step 6: Final answer
    x = 540,891,138.57

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.