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Finding the Third Proportional to 249,534,129 and 556,444,122

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Solution

The third proportional to 249,534,129 and 556,444,122 is: 1,240,832,515.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,534,129 : 556,444,122 = 556,444,122 : x
  2. Step 2: Convert to fraction form
    249,534,129/556,444,122 = 556,444,122/x
  3. Step 3: Cross multiply
    249,534,129x = 556,444,122 × 556,444,122
  4. Step 4: Simplify right side
    249,534,129x = 309,630,060,908,350,912
  5. Step 5: Solve for x
    x = 309,630,060,908,350,912/249,534,129
  6. Step 6: Final answer
    x = 1,240,832,515.17

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.