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Finding the Third Proportional to 190,468,074 and 278,352,768

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Solution

The third proportional to 190,468,074 and 278,352,768 is: 406,788,717.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,468,074 : 278,352,768 = 278,352,768 : x
  2. Step 2: Convert to fraction form
    190,468,074/278,352,768 = 278,352,768/x
  3. Step 3: Cross multiply
    190,468,074x = 278,352,768 × 278,352,768
  4. Step 4: Simplify right side
    190,468,074x = 77,480,263,453,261,824
  5. Step 5: Solve for x
    x = 77,480,263,453,261,824/190,468,074
  6. Step 6: Final answer
    x = 406,788,717.01

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.