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Finding the Third Proportional to 17,912,949,348 and 38,870,739,240

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Solution

The third proportional to 17,912,949,348 and 38,870,739,240 is: 84,348,721,124.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,912,949,348 : 38,870,739,240 = 38,870,739,240 : x
  2. Step 2: Convert to fraction form
    17,912,949,348/38,870,739,240 = 38,870,739,240/x
  3. Step 3: Cross multiply
    17,912,949,348x = 38,870,739,240 × 38,870,739,240
  4. Step 4: Simplify right side
    17,912,949,348x = 1,510,934,369,064,075,657,216
  5. Step 5: Solve for x
    x = 1,510,934,369,064,075,657,216/17,912,949,348
  6. Step 6: Final answer
    x = 84,348,721,124.07

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.