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Finding the Third Proportional to 62,931,900 and 136,938,768

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Solution

The third proportional to 62,931,900 and 136,938,768 is: 297,976,482.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,931,900 : 136,938,768 = 136,938,768 : x
  2. Step 2: Convert to fraction form
    62,931,900/136,938,768 = 136,938,768/x
  3. Step 3: Cross multiply
    62,931,900x = 136,938,768 × 136,938,768
  4. Step 4: Simplify right side
    62,931,900x = 18,752,226,181,357,824
  5. Step 5: Solve for x
    x = 18,752,226,181,357,824/62,931,900
  6. Step 6: Final answer
    x = 297,976,482.22

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.