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Finding the Third Proportional to 195,249,053 and 428,009,530

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Solution

The third proportional to 195,249,053 and 428,009,530 is: 938,248,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,249,053 : 428,009,530 = 428,009,530 : x
  2. Step 2: Convert to fraction form
    195,249,053/428,009,530 = 428,009,530/x
  3. Step 3: Cross multiply
    195,249,053x = 428,009,530 × 428,009,530
  4. Step 4: Simplify right side
    195,249,053x = 183,192,157,770,820,896
  5. Step 5: Solve for x
    x = 183,192,157,770,820,896/195,249,053
  6. Step 6: Final answer
    x = 938,248,636.58

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.