Finding the Third Proportional to 291,578,312 and 642,589,564
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Solution
The third proportional to 291,578,312 and 642,589,564 is: 1,416,159,332.73
Step by Step Solution
- Step 1: Write the proportion equation
291,578,312 : 642,589,564 = 642,589,564 : x - Step 2: Convert to fraction form
291,578,312/642,589,564 = 642,589,564/x - Step 3: Cross multiply
291,578,312x = 642,589,564 × 642,589,564 - Step 4: Simplify right side
291,578,312x = 412,921,347,761,710,080 - Step 5: Solve for x
x = 412,921,347,761,710,080/291,578,312 - Step 6: Final answer
x = 1,416,159,332.73
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.