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Finding the Third Proportional to 761,281,970 and 1,211,349,270

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Solution

The third proportional to 761,281,970 and 1,211,349,270 is: 1,927,494,820.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,281,970 : 1,211,349,270 = 1,211,349,270 : x
  2. Step 2: Convert to fraction form
    761,281,970/1,211,349,270 = 1,211,349,270/x
  3. Step 3: Cross multiply
    761,281,970x = 1,211,349,270 × 1,211,349,270
  4. Step 4: Simplify right side
    761,281,970x = 1,467,367,053,929,532,928
  5. Step 5: Solve for x
    x = 1,467,367,053,929,532,928/761,281,970
  6. Step 6: Final answer
    x = 1,927,494,820.26

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.