Finding the Third Proportional to 390,970,964 and 573,675,510
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Solution
The third proportional to 390,970,964 and 573,675,510 is: 841,759,672.91
Step by Step Solution
- Step 1: Write the proportion equation
390,970,964 : 573,675,510 = 573,675,510 : x - Step 2: Convert to fraction form
390,970,964/573,675,510 = 573,675,510/x - Step 3: Cross multiply
390,970,964x = 573,675,510 × 573,675,510 - Step 4: Simplify right side
390,970,964x = 329,103,590,773,760,128 - Step 5: Solve for x
x = 329,103,590,773,760,128/390,970,964 - Step 6: Final answer
x = 841,759,672.91
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.